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750
First Lie Detector
A Greek physician named, Erasistratus, discovered that his patients' heart rate would increase when they lied. -
Jan 28, 1235
Finding the Murder Weapon
Along time ago, a murder was committed with a sickle. The people in the village who owned a sickle had to take them outside and lay them in the sun. They would watch for flies to see which one the flies were most attracted to. -
1302
Autopsy
A man named, Bartolomeo da Varignana, was the first to person to perform an autopsy on a suspected murder of a nobleman. -
First Microscope
The first microscope is developed. -
Bullet Comparison
Henry Goddard of Scotland was the first person to compare bullets in a murder investigation. The comparison was based in a visible flaw in the bullet, traced back to a mold. -
Pictures
The first use of photography in crimes was used. It was used for identification of criminals, documentation of evidence, and crime scenes. -
Fingerprints
Probably the most famous way is fingerprints. A Scottish man named, Henry Faulds, wrote a paper about how fingerprints can identify the offender. -
Portable Polygraph
John Larson and Leonard Keeler design the portable polygraph. -
FBI Crime Lab
FBI crime laboratory is created. -
Dental Records
Teeth comparisons are first used from corpses. -
Breathalyzer
R.F. Borkenstein invents the Breathalyzer test for soberiety testing. -
Body Cooling After Death
De Saram writes measurements of temperature obtained from executed prisoners. They can tell about how long someone has been dead for based on the temperature. -
Footwear Detection Intelligence
The Forensic Science Service starts using footprints and shoe prints as ways to find the offender.